最近换了台笔记本,每次一想到装 Java 开发/学习环境就脑壳大,于是我准备在此记录一下我的新机装机过程。
今天先从 jdk 入手,后面陆陆续续装上 VMware ,mysql, idea ,Navicat等等
话不多说,开搞。。。。。。
下载JDK8
1.去Oracle官网下载jdk8:
下载有点慢可以用迅雷下,也可以私聊我要,我看到就发你,我深刻懂得那种漫长等待的感受
安装(傻瓜式安装)
1.双击安装
2.点击“下一步”,默认安装路径
3.等待安装完成
配置环境变量
如下图一一道来:
1.右击此电脑–》属性–》高级系统设置
2.点击环境变量
3.点击“新建”,添加环境变量,
变量名:JAVA_HOME
变量值:C:Program FilesJavajdk1.8.0_261 (变量值也就是jdk的安装路径)
4.将配置好的环境添加到path中,点击path–》新建–》添加%JAVA_HOME%bin
5. CLASSPATH 配置
CLASSPATH为java加载类(class or lib)路径,只有类在classpath中,java命令才能识别
变量名:CLASSPATH
变量值:.;%JAVA_HOME%libdt.jar;%JAVA_HOME%libtools.jar
打开cmd命令出口,测试jdk是否安装成功
java -version
javac -version
安装成功
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